package com.qd.panda.service.park;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cdqidi.constant.ConstantDto;
import com.cdqidi.db.BaseService;
import com.cdqidi.dto.CacheKey;
import com.cdqidi.exception.ApiException;
import com.cdqidi.util.RedisTemplateUtil;
import com.qd.common.panda.domain.entity.carpark.CarParkRevenueDTO;
import com.qd.panda.mapper.park.CarParkRevenueMapper;
import com.qd.panda.model.CarParkRevenue;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;

import java.util.*;

import static java.util.stream.Collectors.toList;
import static java.util.stream.Collectors.toSet;

/**
 * 收益设置
 *
 * @author sjk
 */
@RequiredArgsConstructor
@Service
@Slf4j
public class CarParkRevenueService extends BaseService<CarParkRevenueMapper, CarParkRevenue> {

    private static final String PREFIX_ID = "panda_car_park_revenue_rid_{0}";
    private static final String PREFIX_UNIQUE_PANDA_CAR = "panda_car_park_revenue_pId_{0}_days_{1}";
    private static final String PREFIX_LIST = "panda_car_park_revenue_list_pId_{0}";

    private final RedisTemplateUtil<CarParkRevenue> redisTemplateUtil;

    /**
     * 保存
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public CarParkRevenueDTO save(CarParkRevenueDTO dto) {
        checkUnique(dto);
        final CarParkRevenue model = dtoToModel(dto);
        try {
            if (super.save(model)) {
                return modelToDto(model);
            }
            throw new ApiException("添加失败");
        } finally {
            clearCache(model);
            model.freeData();
        }
    }

    /**
     * 修改
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public CarParkRevenueDTO update(CarParkRevenueDTO dto) {
        checkUnique(dto);
        final CarParkRevenue historyModel = Optional.ofNullable(getById(dto.getRid())).orElseThrow(() -> new ApiException("ID不存在,不能更新"));
        final CarParkRevenue model = dtoToModel(dto);
        try {
            if (super.updateById(model)) {
                return modelToDto(model);
            }
            throw new ApiException("更新失败");
        } finally {
            clearCache(historyModel);
            historyModel.freeData();
            model.freeData();
        }
    }

    /**
     * 批量添加
     *
     * @param mList 数据库对象
     */
    @Transactional(rollbackFor = Exception.class)
    public void saveBatch(List<CarParkRevenue> mList) {
        try {
            if (!super.saveBatch(mList)) {
                throw new ApiException("批量添加失败");
            }
        } finally {
            clearCaches(mList);
        }
    }

    /**
     * 批量更新
     *
     * @param mList 数据库对象
     */
    @Transactional(rollbackFor = Exception.class)
    public void updateBatchIds(List<CarParkRevenue> mList) {
        final List<String> ids = mList.stream().map(CarParkRevenue::getRid).collect(toList());
        final List<CarParkRevenue> historyModelList = checkIds(ids);
        try {
            if (!super.updateBatchById(mList)) {
                throw new ApiException("批量更新失败");
            }
        } finally {
            clearCaches(historyModelList);
            historyModelList.clear();
            ids.clear();
        }
    }

    /**
     * 删除，单个
     *
     * @param rid 主键
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeById(String rid) {
        final CarParkRevenue historyModel = Optional.ofNullable(getById(rid)).orElseThrow(() -> new ApiException("数据不存在,不能删除"));
        try {
            if (!super.removeById(rid)) {
                throw new ApiException("删除失败");
            }
        } finally {
            clearCache(historyModel);
            historyModel.freeData();
        }
    }

    /**
     * 批量删除
     *
     * @param ids 主键集合
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeBatchIds(List<String> ids) {
        final List<CarParkRevenue> historyModelList = checkIds(ids);
        try {
            if (!super.removeByIds(ids)) {
                throw new ApiException("批量删除失败");
            }
        } finally {
            clearCaches(historyModelList);
            historyModelList.clear();
        }
    }

    /**
     * 根据传入对象构建查询参数，判断是否存在
     *
     * @param dto 参数
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExists(CarParkRevenueDTO dto) {
        final QueryWrapper<CarParkRevenue> queryWrapper = createQueryWrapper(dto);
        final boolean exists = super.count(queryWrapper) > 0;
        queryWrapper.clear();
        return exists;
    }

    /**
     * 根据主键判断数据是否存在
     *
     * @param rid 主键
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExistsById(String rid) {
        boolean exists = false;
        if (StringUtils.hasLength(rid)) {
            final CarParkRevenue model = getById(rid);
            exists = (null != model);
            if (exists) {
                model.freeData();
            }
        }
        return exists;
    }

    /**
     * 根据主键获取数据
     *
     * @param rid 主键
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public CarParkRevenue getById(String rid) {
        final String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, rid);
        return redisTemplateUtil.get(new CacheKey().setKey(key).setTimeout(ConstantDto.REDIS_TIME_OUT_DAY), () -> super.getById(rid), CarParkRevenue.class);
    }

    /**
     * 根据主键获取数据
     *
     * @param rid 主键
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public CarParkRevenueDTO getByIdDto(String rid) {
        return Optional.ofNullable(getById(rid)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public CarParkRevenue getOne(CarParkRevenueDTO dto) {
        final QueryWrapper<CarParkRevenue> queryWrapper = createQueryWrapper(dto);
        CarParkRevenue model = super.getOne(queryWrapper);
        queryWrapper.clear();
        return model;
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public CarParkRevenueDTO getOneDto(CarParkRevenueDTO dto) {
        return Optional.ofNullable(getOne(dto)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据
     */
    @Transactional(readOnly = true)
    public List<CarParkRevenue> getList(CarParkRevenueDTO dto) {
        final QueryWrapper<CarParkRevenue> queryWrapper = createQueryWrapper(dto);
        final List<CarParkRevenue> list = super.list(queryWrapper);
        queryWrapper.clear();
        return list;
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据，转换成页面对象
     */
    @Transactional(readOnly = true)
    public List<CarParkRevenueDTO> getListDto(CarParkRevenueDTO dto) {
        return modelToDtoList(getList(dto));
    }

    /**
     * 分页数据
     *
     * @param page 分页对象
     * @param dto  查询参数
     * @return 分页信息
     */
    @Transactional(readOnly = true)
    public IPage<CarParkRevenueDTO> page(Page<CarParkRevenue> page, CarParkRevenueDTO dto) {
        final QueryWrapper<CarParkRevenue> queryWrapper = createQueryWrapper(dto);
        Page<CarParkRevenue> iPage = baseMapper.selectPage(page, queryWrapper);
        Optional.ofNullable(iPage.getRecords()).ifPresent(this::modelToDtoList);
        queryWrapper.clear();
        return iPage.convert(this::modelToDto);
    }

    /**
     * 根据唯一性索引获得数据
     * param pId
     * param days
     *
     * @return 单条数据
     */
    @Transactional(readOnly = true)
    public CarParkRevenue getUniqueByPIdAndDays(String pId, Integer days) {
        final QueryWrapper<CarParkRevenue> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("p_id", pId);
        queryWrapper.eq("days", days);
        final String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_UNIQUE_PANDA_CAR, pId, days);
        final CarParkRevenue model = redisTemplateUtil.get(new CacheKey().setKey(key).setTimeout(ConstantDto.REDIS_TIME_OUT_DAY), () -> super.getOne(queryWrapper, false), CarParkRevenue.class);
        queryWrapper.clear();
        return model;
    }

    /**
     * 验证唯一性索引
     *
     * @param dto 页面对象
     */
    @Transactional(readOnly = true)
    public void checkUnique(CarParkRevenueDTO dto) {
        CarParkRevenue model = getUniqueByPIdAndDays(dto.getPId(), dto.getDays());
        if (null != model) {
            checkUnique(dto, model);
        }
    }

    /**
     * 验证唯一性索引
     *
     * @param dto   页面对象
     * @param model 根据约束字段查询出来的数据库对象
     */
    private void checkUnique(CarParkRevenueDTO dto, CarParkRevenue model) {
        if (!StringUtils.hasLength(dto.getRid())) {
            throw new ApiException("数据已存在，请勿重复操作");
        }
        if (!dto.getRid().equals(model.getRid())) {
            throw new ApiException("数据已存在，请勿重复操作");
        }
    }

    /**
     * 清空缓存
     *
     * @param model 数据库对象
     */
    public void clearCache(CarParkRevenue model) {
        if (null == model) {
            return;
        }
        redisTemplateUtil.deleteByKey(RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getRid()));
        redisTemplateUtil.deleteByKey(RedisTemplateUtil.getRedisCacheKey(PREFIX_LIST, model.getPId()));
        redisTemplateUtil.deleteByKey(RedisTemplateUtil.getRedisCacheKey(PREFIX_UNIQUE_PANDA_CAR, model.getPId(), model.getDays()));
    }

    /**
     * 批量清空缓存
     *
     * @param list 数据库对象
     */
    public void clearCaches(List<CarParkRevenue> list) {
        if (null == list || list.isEmpty()) {
            return;
        }
        List<String> ids = list.stream().map(model -> RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getRid())).collect(toList());
        if (!ids.isEmpty()) {
            redisTemplateUtil.deleteByKey(ids);
            ids.clear();
        }
        Set<String> pSet = list.stream().map(model -> RedisTemplateUtil.getRedisCacheKey(PREFIX_LIST, model.getPId())).collect(toSet());
        if (!pSet.isEmpty()) {
            redisTemplateUtil.deleteByKey(pSet);
            pSet.clear();
        }
        Set<String> uniqueIds = list.stream().map(model -> RedisTemplateUtil.getRedisCacheKey(PREFIX_UNIQUE_PANDA_CAR, model.getPId(), model.getDays())).collect(toSet());
        if (!uniqueIds.isEmpty()) {
            redisTemplateUtil.deleteByKey(uniqueIds);
            uniqueIds.clear();
        }
    }

    /**
     * 数据库对象转页面对象
     *
     * @param model 数据库对象
     * @return 页面对象
     */
    public CarParkRevenueDTO modelToDto(CarParkRevenue model) {
        if (null == model) {
            return null;
        }
        final CarParkRevenueDTO dto = new CarParkRevenueDTO();
        dto.setRid(model.getRid());
        dto.setDays(model.getDays());
        dto.setDayRevenue(model.getDayRevenue());
        dto.setTotalRevenue(model.getTotalRevenue());
        dto.setPId(model.getPId());
        dto.setLeaseType(model.getLeaseType());
        buildDisplay(dto);
        return dto;
    }

    /**
     * 页面对象转数据库对象
     *
     * @param dto 页面对象
     * @return 数据库对象
     */
    public CarParkRevenue dtoToModel(CarParkRevenueDTO dto) {
        if (null == dto) {
            return null;
        }
        final CarParkRevenue model = new CarParkRevenue();
        model.setRid(dto.getRid());
        model.setDays(dto.getDays());
        model.setDayRevenue(dto.getDayRevenue());
        model.setTotalRevenue(dto.getTotalRevenue());
        model.setPId(dto.getPId());
        model.setLeaseType(dto.getLeaseType());
        return model;
    }

    /**
     * 码表转换
     *
     * @param dto 页面对象
     */
    public void buildDisplay(CarParkRevenueDTO dto) {
        dto.setDayRevenueDisplay(dto.getDayRevenue().stripTrailingZeros().toPlainString());
        dto.setTotalRevenueDisplay(dto.getTotalRevenue().stripTrailingZeros().toPlainString());
    }

    /**
     * 数据库对象转页面对象
     *
     * @param list 数据库对象
     * @return 页面对象
     */
    public List<CarParkRevenueDTO> modelToDtoList(List<CarParkRevenue> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::modelToDto).collect(toList());
    }

    /**
     * 页面对象转数据库对象
     *
     * @param list 页面对象
     * @return 数据库对象
     */
    public List<CarParkRevenue> dtoToModelList(List<CarParkRevenueDTO> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::dtoToModel).collect(toList());
    }

    /**
     * 拼装查询参数，除了主键的其他字段会自动加入进来
     *
     * @param dto 查询参数，不为空的属性会被自动加入
     */
    public QueryWrapper<CarParkRevenue> createQueryWrapper(CarParkRevenueDTO dto) {
        final QueryWrapper<CarParkRevenue> queryWrapper = new QueryWrapper<>();
        if (null != dto) {
            if (StringUtils.hasLength(dto.getPId())) {
                queryWrapper.eq("p_id", dto.getPId());
            }
        }
        return queryWrapper;
    }

    /**
     * 批量检查主键在数据库中是否存在
     *
     * @param ids 主键集合
     * @return 主键查询出来的集合
     */
    public List<CarParkRevenue> checkIds(List<String> ids) {
        if (null == ids || ids.isEmpty()) {
            throw new ApiException("ids不能为空");
        }
        final List<CarParkRevenue> list = super.listByIds(ids);
        if (list.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(ids.toArray()));
        }
        if (ids.size() == list.size()) {
            return list;
        }
        List<String> dbIds = list.stream().map(CarParkRevenue::getRid).collect(toList());
        final List<String> notExistsList = ids.stream().filter(id -> !dbIds.contains(id)).collect(toList());
        dbIds.clear();
        if (!notExistsList.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(notExistsList.toArray()));
        }
        return list;
    }

    /**
     * 查询列表
     *
     * @param pId 停车场ID
     * @return 列表数据
     */
    @Transactional(readOnly = true)
    public List<CarParkRevenue> getListByPid(String pId) {
        final QueryWrapper<CarParkRevenue> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("p_id", pId);
        queryWrapper.orderByAsc("days");
        String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_LIST, pId);
        final List<CarParkRevenue> list = redisTemplateUtil.getList(new CacheKey().setKey(key), () -> super.list(queryWrapper), CarParkRevenue.class);
        queryWrapper.clear();
        return list;
    }

    /**
     * 查询列表
     *
     * @param pId 停车场ID
     * @return 列表数据
     */
    @Transactional(readOnly = true)
    public List<CarParkRevenueDTO> getListByPidDto(String pId) {
        return Optional.ofNullable(getListByPid(pId)).orElse(Collections.emptyList()).stream().map(this::modelToDto).collect(toList());
    }

    @Transactional(readOnly = true)
    public CarParkRevenueDTO getMaxByPid(String parkId) {
        List<CarParkRevenueDTO> list = getListByPidDto(parkId);
        if (!list.isEmpty()) {
            Optional<CarParkRevenueDTO> optional = list.stream().max((o1, o2) -> o1.getTotalRevenue().subtract(o2.getTotalRevenue()).intValue());
            return optional.orElse(null);
        }
        return null;
    }
}